维生素的

The experimental method and reaction conditions for synthesis of acetals and ketals on more than 40 catalysts such as solid superacids、 heteropoly acids、 con-exchange、 resins、 molecular sieves、 niobic acid、 vitamin C、 iodine、 sulfate、 chloride、 montmorillonite and etc.

综述了固体超强酸、杂多酸、固载杂多酸、脱铝超稳沸石、树脂、分子筛、铌酸、漆酚衍生物、维生素C、碘、硫酸盐、氯化物、蒙脱土等40多种催化剂催化合成缩醛的方法和反应条件。

It is usually a nonprogressive disease and can be caused by viral infections, drugs, vitamin A deficiency, or genetics.

该疾病通常是非渐进性的，可由病毒感染、药物、维生素A缺乏或遗传因素引起。

It is usually a nonprogressive disease and can be caused by viral infections, drugs, vitamin A deficiency, or genetic defects.

该疾病通常是非渐进性的，能由病毒感染，药物，维生素A缺乏或遗传缺陷所引起。

Objective To study the association between VDR gene polymorphism and blood lead and serum calcium levels in the occupationally lead-exposed workers.

目的 探讨维生素D受体基因多态性与接铅工人血铅和血清钙的关系。

METHODS: In addition to routine ophthalmologic examination and ocular muscle examination, general check-up and blood biochemical examination were also included. Twenty cases of ophthalmoplegia with diabetes were treated with vitamin B1 and B12 and prednisone and drugs of vascular dilatation, meanwhile concentration of blood sugar and hypertension in which were also controlled.

对20例眼肌麻痹的老年患者行常规眼科检查和眼肌功能检查，并进行全身及血生化检查确诊为糖尿病后，给予降血糖、对伴高血压者控制血压，同时肌注维生素B1、B12并口服血管扩张剂和小剂量皮质类固醇。

Abnormality of bone mineral metabolism is also a common complication in chronic hepatic disease, as called hepatic osteodystrophy.

而某些影响骨头矿物化及代谢的激素是在肝脏这个器官所代谢，譬如维生素D 和副甲状腺荷尔蒙。

The main problem when using any skin care treatments which use vitamin C is that oxidization can occur as soon as they have contact with the air.

主要问题时，使用任何皮肤护理治疗，其中使用维生素C是可以发生氧化，尽快，因为他们所接触的空气。

Urine vitamin C was 10 mg/dL (our normal is 20 to 40), and the RBC essential fatty acid profile showed low gamma linolenic, palmitoleic fatty acids and a low stearic/oleicratio.

尿中维生素C为10毫克/分升（我们一般是20至40）和红细胞必需脂肪酸的文件显示，低伽玛亚麻酸，棕榈油脂肪酸和低硬脂酸/ oleicratio。

The additive-dominant model is perfectively adequate for the genetic analysis of protein content.

油菜籽不仅含有丰富的脂肪酸和多种维生素，而且蛋白质含量也高。

Rice bran oil, Sweet almond oil, Rosehip oil, Evening primrose oil, Calendula oil, Vitamin E, Avocado oil, Palmarosa, Rose, Orange blossom, Vanilla, Sweet orange, Petitgrain, Bergamot.

米糠油，甜杏仁油，野玫瑰果籽油，月见草油，金盏花油，维生素E，鳄梨油，东印度和土耳其的老鹳草油，玫瑰，橙花，香草，甜橙，苦柑，佛手柑

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。